US5798516A - Focusing mechanism for hand-held CCD scanners - Google Patents
Focusing mechanism for hand-held CCD scanners Download PDFInfo
- Publication number
- US5798516A US5798516A US08/654,189 US65418996A US5798516A US 5798516 A US5798516 A US 5798516A US 65418996 A US65418996 A US 65418996A US 5798516 A US5798516 A US 5798516A
- Authority
- US
- United States
- Prior art keywords
- lens
- trigger
- detector
- spatial relationship
- varying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title description 2
- 238000005286 illumination Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000000881 depressing effect Effects 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 2
- 206010047513 Vision blurred Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
Description
Claims (20)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/654,189 US5798516A (en) | 1996-05-28 | 1996-05-28 | Focusing mechanism for hand-held CCD scanners |
AU28269/97A AU2826997A (en) | 1996-05-28 | 1997-05-05 | Focusing mechanism for hand-held ccd scanners |
PCT/US1997/007536 WO1997045808A1 (en) | 1996-05-28 | 1997-05-05 | Focusing mechanism for hand-held ccd scanners |
CA002227166A CA2227166C (en) | 1996-05-28 | 1997-05-05 | Focusing mechanism for hand-held ccd scanners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/654,189 US5798516A (en) | 1996-05-28 | 1996-05-28 | Focusing mechanism for hand-held CCD scanners |
Publications (1)
Publication Number | Publication Date |
---|---|
US5798516A true US5798516A (en) | 1998-08-25 |
Family
ID=24623819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/654,189 Expired - Fee Related US5798516A (en) | 1996-05-28 | 1996-05-28 | Focusing mechanism for hand-held CCD scanners |
Country Status (4)
Country | Link |
---|---|
US (1) | US5798516A (en) |
AU (1) | AU2826997A (en) |
CA (1) | CA2227166C (en) |
WO (1) | WO1997045808A1 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5979769A (en) * | 1996-11-05 | 1999-11-09 | Psc Inc. | Combination range laser scanner utilizing periodic range switching |
WO2001072028A1 (en) * | 2000-03-17 | 2001-09-27 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US6688525B1 (en) | 1999-09-22 | 2004-02-10 | Eastman Kodak Company | Apparatus and method for reading a coded pattern |
US20040069855A1 (en) * | 2002-10-15 | 2004-04-15 | Mehul Patel | Imaging bar code reader with moving beam simulation |
US20040118921A1 (en) * | 2002-12-18 | 2004-06-24 | Alex Breytman | Miniature auto focus piezo actuator system |
US20050095552A1 (en) * | 1999-11-30 | 2005-05-05 | Peer Sporbert | Three-dimensional occlusal and interproximal contact detection and display using virtual tooth models |
US6975352B2 (en) | 2000-12-18 | 2005-12-13 | Xerox Corporation | Apparatus and method for capturing a composite digital image with regions of varied focus and magnification |
US20060098433A1 (en) * | 2000-03-17 | 2006-05-11 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US7190835B2 (en) * | 1996-06-21 | 2007-03-13 | Intermec Ip Corp. | Code reader performing coded image decoding using non-dedicated decode processor |
US20090072039A1 (en) * | 2007-09-19 | 2009-03-19 | Toshiba Tec Kabushiki Kaisha | Code symbol reading apparatus |
US20100142856A1 (en) * | 2008-12-10 | 2010-06-10 | Shin Takeuchi | Image reading apparatus, and reading method |
Citations (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812459A (en) * | 1972-03-08 | 1974-05-21 | Optical Business Machines | Opticscan arrangement for optical character recognition systems |
US4136821A (en) * | 1976-09-01 | 1979-01-30 | Nippondenso Co., Ltd. | Method and apparatus for recognizing code information |
JPS6367692A (en) * | 1986-09-09 | 1988-03-26 | Nippon Denso Co Ltd | Optical information reader |
US4877949A (en) * | 1986-08-08 | 1989-10-31 | Norand Corporation | Hand-held instant bar code reader system with automated focus based on distance measurements |
JPH027182A (en) * | 1988-06-27 | 1990-01-11 | Matsushita Electric Ind Co Ltd | Bar code detector |
US5001509A (en) * | 1985-01-17 | 1991-03-19 | Minolta Camera Kabushiki Kaisha | Automatic focus adjusting apparatus |
EP0425844A2 (en) * | 1989-10-30 | 1991-05-08 | Symbol Technologies, Inc. | Power saving scanning arrangement |
US5070352A (en) * | 1987-04-17 | 1991-12-03 | Fuji Photo Film Co., Ltd. | Range finding device for cameras |
US5192856A (en) * | 1990-11-19 | 1993-03-09 | An Con Genetics, Inc. | Auto focusing bar code reader |
EP0548958A2 (en) * | 1991-12-23 | 1993-06-30 | Symbol Technologies, Inc. | Laser scanner device |
US5281801A (en) * | 1989-10-30 | 1994-01-25 | Symbol Technologies, Inc. | Low-cost low-power scanner and method |
US5302812A (en) * | 1991-12-23 | 1994-04-12 | Symbol Technologies, Inc. | Laser scanning device with automatic range and spot size adjustment |
US5308964A (en) * | 1991-07-29 | 1994-05-03 | Kwon Young K | Variable resolution wand |
US5308966A (en) * | 1986-08-08 | 1994-05-03 | Norand Corporation | Hand-held instant bar code reader having automatic focus control for operation over a range of distances |
US5340971A (en) * | 1990-09-17 | 1994-08-23 | Metrologic Instruments, Inc. | Automatic bar code reading system having selectable long range and short range modes of operation |
US5349172A (en) * | 1992-02-27 | 1994-09-20 | Alex Roustaei | Optical scanning head |
US5359185A (en) * | 1992-05-11 | 1994-10-25 | Norand Corporation | Chromatic ranging method and apparatus for reading optically readable information over a substantial range of distances |
US5378883A (en) * | 1991-07-19 | 1995-01-03 | Omniplanar Inc. | Omnidirectional wide range hand held bar code reader |
US5386107A (en) * | 1991-12-23 | 1995-01-31 | Symbol Technologies, Inc. | Scanning arrangement and method in which the focus is varied in operative correlation with the scanning angle |
US5397885A (en) * | 1993-01-11 | 1995-03-14 | Reflexion Plus | Hand-held barcode label reader with increased depth of field |
US5438187A (en) * | 1991-11-01 | 1995-08-01 | Spectra-Physics Scanning Systems, Inc. | Multiple focus optical system for data reading applications |
-
1996
- 1996-05-28 US US08/654,189 patent/US5798516A/en not_active Expired - Fee Related
-
1997
- 1997-05-05 CA CA002227166A patent/CA2227166C/en not_active Expired - Fee Related
- 1997-05-05 AU AU28269/97A patent/AU2826997A/en not_active Abandoned
- 1997-05-05 WO PCT/US1997/007536 patent/WO1997045808A1/en active Application Filing
Patent Citations (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812459A (en) * | 1972-03-08 | 1974-05-21 | Optical Business Machines | Opticscan arrangement for optical character recognition systems |
US4136821A (en) * | 1976-09-01 | 1979-01-30 | Nippondenso Co., Ltd. | Method and apparatus for recognizing code information |
US5001509A (en) * | 1985-01-17 | 1991-03-19 | Minolta Camera Kabushiki Kaisha | Automatic focus adjusting apparatus |
US4877949A (en) * | 1986-08-08 | 1989-10-31 | Norand Corporation | Hand-held instant bar code reader system with automated focus based on distance measurements |
US5308966A (en) * | 1986-08-08 | 1994-05-03 | Norand Corporation | Hand-held instant bar code reader having automatic focus control for operation over a range of distances |
JPS6367692A (en) * | 1986-09-09 | 1988-03-26 | Nippon Denso Co Ltd | Optical information reader |
US5070352A (en) * | 1987-04-17 | 1991-12-03 | Fuji Photo Film Co., Ltd. | Range finding device for cameras |
JPH027182A (en) * | 1988-06-27 | 1990-01-11 | Matsushita Electric Ind Co Ltd | Bar code detector |
US5281801A (en) * | 1989-10-30 | 1994-01-25 | Symbol Technologies, Inc. | Low-cost low-power scanner and method |
EP0425844A2 (en) * | 1989-10-30 | 1991-05-08 | Symbol Technologies, Inc. | Power saving scanning arrangement |
US5340971A (en) * | 1990-09-17 | 1994-08-23 | Metrologic Instruments, Inc. | Automatic bar code reading system having selectable long range and short range modes of operation |
US5192856A (en) * | 1990-11-19 | 1993-03-09 | An Con Genetics, Inc. | Auto focusing bar code reader |
US5378883A (en) * | 1991-07-19 | 1995-01-03 | Omniplanar Inc. | Omnidirectional wide range hand held bar code reader |
US5308964A (en) * | 1991-07-29 | 1994-05-03 | Kwon Young K | Variable resolution wand |
US5438187A (en) * | 1991-11-01 | 1995-08-01 | Spectra-Physics Scanning Systems, Inc. | Multiple focus optical system for data reading applications |
EP0548958A2 (en) * | 1991-12-23 | 1993-06-30 | Symbol Technologies, Inc. | Laser scanner device |
US5302812A (en) * | 1991-12-23 | 1994-04-12 | Symbol Technologies, Inc. | Laser scanning device with automatic range and spot size adjustment |
US5386107A (en) * | 1991-12-23 | 1995-01-31 | Symbol Technologies, Inc. | Scanning arrangement and method in which the focus is varied in operative correlation with the scanning angle |
US5349172A (en) * | 1992-02-27 | 1994-09-20 | Alex Roustaei | Optical scanning head |
US5359185A (en) * | 1992-05-11 | 1994-10-25 | Norand Corporation | Chromatic ranging method and apparatus for reading optically readable information over a substantial range of distances |
US5397885A (en) * | 1993-01-11 | 1995-03-14 | Reflexion Plus | Hand-held barcode label reader with increased depth of field |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7190835B2 (en) * | 1996-06-21 | 2007-03-13 | Intermec Ip Corp. | Code reader performing coded image decoding using non-dedicated decode processor |
US5979769A (en) * | 1996-11-05 | 1999-11-09 | Psc Inc. | Combination range laser scanner utilizing periodic range switching |
US6688525B1 (en) | 1999-09-22 | 2004-02-10 | Eastman Kodak Company | Apparatus and method for reading a coded pattern |
US20050095552A1 (en) * | 1999-11-30 | 2005-05-05 | Peer Sporbert | Three-dimensional occlusal and interproximal contact detection and display using virtual tooth models |
US8998608B2 (en) * | 1999-11-30 | 2015-04-07 | Orametrix, Inc. | Three-dimensional occlusal and interproximal contact detection and display using virtual tooth models |
AU768621B2 (en) * | 2000-03-17 | 2003-12-18 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US9088683B2 (en) | 2000-03-17 | 2015-07-21 | Datalogic Automation, Inc. | Coplanar camera scanning system |
US20040201875A1 (en) * | 2000-03-17 | 2004-10-14 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US6856440B2 (en) | 2000-03-17 | 2005-02-15 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US6628445B2 (en) | 2000-03-17 | 2003-09-30 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
WO2001072028A1 (en) * | 2000-03-17 | 2001-09-27 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US20060098433A1 (en) * | 2000-03-17 | 2006-05-11 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US7548274B2 (en) | 2000-03-17 | 2009-06-16 | Accu-Sort Systems, Inc. | Coplanar camera scanning system |
US6975352B2 (en) | 2000-12-18 | 2005-12-13 | Xerox Corporation | Apparatus and method for capturing a composite digital image with regions of varied focus and magnification |
US20040069855A1 (en) * | 2002-10-15 | 2004-04-15 | Mehul Patel | Imaging bar code reader with moving beam simulation |
US6866198B2 (en) * | 2002-10-15 | 2005-03-15 | Symbol Technologies, Inc. | Imaging bar code reader with moving beam simulation |
US7083096B2 (en) * | 2002-12-18 | 2006-08-01 | Symbol Technologies, Inc. | Miniature auto focus piezo actuator system |
US20040118921A1 (en) * | 2002-12-18 | 2004-06-24 | Alex Breytman | Miniature auto focus piezo actuator system |
US20090072039A1 (en) * | 2007-09-19 | 2009-03-19 | Toshiba Tec Kabushiki Kaisha | Code symbol reading apparatus |
US8066189B2 (en) * | 2007-09-19 | 2011-11-29 | Toshiba Tec Kabushiki Kaisha | Code symbol reading apparatus |
US20100142856A1 (en) * | 2008-12-10 | 2010-06-10 | Shin Takeuchi | Image reading apparatus, and reading method |
Also Published As
Publication number | Publication date |
---|---|
AU2826997A (en) | 1998-01-05 |
CA2227166C (en) | 2000-12-26 |
WO1997045808A1 (en) | 1997-12-04 |
CA2227166A1 (en) | 1997-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: ACCU-SORT SYSTEMS, INC., PENNSYLVANIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHREESHA, VASANTH;REEL/FRAME:008050/0383 Effective date: 19960716 |
|
FEPP | Fee payment procedure |
Free format text: PAT HOLDER NO LONGER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: STOL); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
REFU | Refund |
Free format text: REFUND - PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: R283); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
AS | Assignment |
Owner name: UNION NATIONAL BANK AND TRUST COMPANY OF SOUDERTON Free format text: SECURITY INTEREST;ASSIGNOR:ACCU-SORT SYSTEMS, INC.;REEL/FRAME:013333/0727 Effective date: 20020627 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20060825 |